arm/PCI: convert to pci_scan_root_bus() for correct root bus resources

Convert from pci_scan_bus() to pci_scan_root_bus() and remove root bus
resource fixups.  This fixes the problem of "early" and "header" quirks
seeing incorrect root bus resources.

CC: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
diff --git a/arch/arm/mach-ixp2000/pci.c b/arch/arm/mach-ixp2000/pci.c
index f5098b3..626fda4 100644
--- a/arch/arm/mach-ixp2000/pci.c
+++ b/arch/arm/mach-ixp2000/pci.c
@@ -132,7 +132,8 @@
 
 struct pci_bus *ixp2000_pci_scan_bus(int nr, struct pci_sys_data *sysdata)
 {
-	return pci_scan_bus(sysdata->busnr, &ixp2000_pci_ops, sysdata);
+	return pci_scan_root_bus(NULL, sysdata->busnr, &ixp2000_pci_ops,
+				 sysdata, &sysdata->resources);
 }
 
 
@@ -242,9 +243,8 @@
 	if (nr >= 1)
 		return 0;
 
-	sys->resource[0] = &ixp2000_pci_io_space;
-	sys->resource[1] = &ixp2000_pci_mem_space;
-	sys->resource[2] = NULL;
+	pci_add_resource(&sys->resources, &ixp2000_pci_io_space);
+	pci_add_resource(&sys->resources, &ixp2000_pci_mem_space);
 
 	return 1;
 }